запрет автомонтирования разделов отсутствующих в fstab

systemctl -l --type automount
  UNIT                              LOAD   ACTIVE SUB     DESCRIPTION                                                  
  proc-sys-fs-binfmt_misc.automount loaded active running Arbitrary Executable File Formats File System Automount Point

LOAD   = Reflects whether the unit definition was properly loaded.
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
SUB    = The low-level unit activation state, values depend on unit type.
1 loaded units listed. Pass --all to see loaded but inactive units, too.
To show all installed unit files use 'systemctl list-unit-files'.

/dev/sdc1 /run/media/ypp/Зарезервировано\040системой fuseblk rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096 0 0
/dev/sda2 /run/media/ypp/nhome ext4 rw,nosuid,nodev,relatime,errors=remount-ro 0 0
/dev/sdb2 /run/media/ypp/macos hfsplus ro,nosuid,nodev,relatime,umask=22,uid=1000,gid=1001,nls=utf8 0 0
/dev/sdc8 /run/media/ypp/3ff487cf-8405-4013-b5dc-7f876df6456a ext4 rw,nosuid,nodev,relatime,errors=remount-ro 0 0
/dev/sdc2 /run/media/ypp/2608F27C08F24A77 fuseblk rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096 0 0

$ mount
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
sys on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
dev on /dev type devtmpfs (rw,nosuid,relatime,size=4030460k,nr_inodes=1007615,mode=755,inode64)
run on /run type tmpfs (rw,nosuid,nodev,relatime,mode=755,inode64)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
/dev/sdb1 on / type btrfs (rw,noatime,compress=lzo,nossd,discard,space_cache,autodefrag,subvolid=975,subvol=/@)
securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev,inode64)
cgroup2 on /sys/fs/cgroup type cgroup2 (rw,nosuid,nodev,noexec,relatime,nsdelegate,memory_recursiveprot)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
none on /sys/fs/bpf type bpf (rw,nosuid,nodev,noexec,relatime,mode=700)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=29,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=9167)
mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,pagesize=2M)
debugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime)
tracefs on /sys/kernel/tracing type tracefs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,nr_inodes=409600,inode64)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,nosuid,nodev,noexec,relatime)
configfs on /sys/kernel/config type configfs (rw,nosuid,nodev,noexec,relatime)
fusectl on /sys/fs/fuse/connections type fusectl (rw,nosuid,nodev,noexec,relatime)
none on /run/credentials/systemd-sysusers.service type ramfs (ro,nosuid,nodev,noexec,relatime,mode=700)
/dev/sdb1 on /home type btrfs (rw,noatime,compress=lzo,nossd,discard,space_cache,autodefrag,subvolid=258,subvol=/@home)
/dev/sdb1 on /var/cache type btrfs (rw,noatime,compress=lzo,nossd,discard,space_cache,autodefrag,subvolid=259,subvol=/@cache)
/dev/sdb1 on /snapshots type btrfs (rw,noatime,compress=lzo,nossd,discard,space_cache,autodefrag,subvolid=260,subvol=/@snapshots)
/dev/sda1 on /media/seagate type ext4 (rw,relatime)
/dev/sdc6 on /media/home type ext4 (rw,relatime)
/dev/sdc5 on /media/Soft type ntfs3 (rw,relatime,uid=0,gid=0,fmask=37777600000,dmask=37777600000,iocharset=utf8)
tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,size=808656k,nr_inodes=202164,mode=700,uid=1000,gid=1001,inode64)
gvfsd-fuse on /run/user/1000/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,relatime,user_id=1000,group_id=1001)
/dev/sdc1 on /run/media/ypp/Зарезервировано системой type fuseblk (rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096,uhelper=udisks2)
/dev/sda2 on /run/media/ypp/nhome type ext4 (rw,nosuid,nodev,relatime,errors=remount-ro,uhelper=udisks2)
/dev/sdb2 on /run/media/ypp/macos type hfsplus (ro,nosuid,nodev,relatime,umask=22,uid=1000,gid=1001,nls=utf8,uhelper=udisks2)
/dev/sdc8 on /run/media/ypp/3ff487cf-8405-4013-b5dc-7f876df6456a type ext4 (rw,nosuid,nodev,relatime,errors=remount-ro,uhelper=udisks2)
/dev/sdc2 on /run/media/ypp/2608F27C08F24A77 type fuseblk (rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096,uhelper=udisks2)
portal on /run/user/1000/doc type fuse.portal (rw,nosuid,nodev,relatime,user_id=1000,group_id=1001)

KERNEL=="sda1", ENV{UDISKS_IGNORE}="1"
KERNEL=="sda2", ENV{UDISKS_IGNORE}="1"

polkit.addRule(function(action, subject) {
    if ((action.id == "org.freedesktop.udisks2.filesystem-mount-system" ||
         action.id == "org.freedesktop.udisks.filesystem-mount-system-internal") &&
        subject.local && subject.active && subject.isInGroup("users"))
    {
            return polkit.Result.YES;
    }
});